Finding the Fourth Proportional to 32,278,554.57, 48,389,164.85 and 12,578,120.09
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Solution
The fourth proportional to 32,278,554.57, 48,389,164.85 and 12,578,120.09 is: 18,856,009.34
Step by Step Solution
- Step 1: Write the proportion equation
32,278,554.57 : 48,389,164.85 = 12,578,120.09 : x - Step 2: Convert to fraction form
32,278,554.57/48,389,164.85 = 12,578,120.09/x - Step 3: Cross multiply
32,278,554.57x = 48,389,164.85 × 12,578,120.09 - Step 4: Simplify right side
32,278,554.57x = 608,644,726,327,606.38 - Step 5: Solve for x
x = 608,644,726,327,606.38/32,278,554.57 - Step 6: Final answer
x = 18,856,009.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.